#include <bits/stdc++.h>
using namespace std;
int main( )
{
    int n;
    cin >> n;
    if ( n == 2 )
    {
        cout << "NO" << endl;
        return 0;
    }
    if ( n % 2 == 0 ) cout << "YES" << endl;
    else
        cout << "NO" << endl;
    return 0;
}